A-LEVEL BIOLOGY LAB REPORT NAME: NURUL AYUNI BT SABRI GROUP: 11SC4 TITLE: THE EFFECT OF CAFFEINE ON HEART RATE LECTURER : MDM ZAKIAH BINTI ZAKARIA TITLE The effect of caffeine on heart rate OBJECTIVE To determine the effect of caffeine on heart rate of daphnia INTRODUCTION Caffeine‚ medically known as trimethylzanthine. Its chemical formula is C8H10N4O2. When in pure form‚ caffeine is a white crystalline powder that taste very bitter. 1The most common way
Premium Caffeine Tea Coffee
Tea Cultivation Today tea leaves are prepared by being plucked by hand from the tea bushes‚ dried (either in the sun or in drying pans or ovens)‚ then rolled‚ and finally heated ("fired") in kilns to assure complete drying. In Japan the tea leaves may first be steamed before drying‚ which tends to produce a slightly different flavor‚ one sometimes described as more "grassy." "… the tea plant yields a crop after it has been planted three years‚ and there are three gatherings during the year: one
Free Tea Green tea Black tea
Black tea has a deep history‚ even though we have been familiar with it in these days. The history can’t be described just by which the development of tea producing method‚ but also by which has entwined the nations with each cultural‚ political‚ and religious backbone. In history‚ tea culture was developed in China. The ancient Chinese people drank teas as a miraculous medicine to be perpetual youth and longevity. Even after teas had been exported into Europe by the Dutch East India Company since
Premium Black tea Tea
COFFEE & TEA OVERDOSE a. Drinking coffee and tea is a part of the daily life of adults and some of the young. Coffee which is made from Coffee beans and Tea which is made from tea leaves are often considered as helpful to our daily lives although tea is regarded as more healthy due to coffee having more Caffeine. However‚ they are technically both considered harmful to our health too. The pleasure of drinking coffee and tea excessively can have harmful effects to our health because of the Tannic
Premium Tea Coffee Caffeine
Foundation Improving social well-being through education‚ research and innovation Social Policy Education Capacity Building Teachers Apply for Funding Nuffield Foundation » Teachers » Practical Biology » > Bio molecules » DNA » Extracting DNA from living things Practical Biology A collection of experiments that demonstrate biological concepts and processes. In partnership with Society of Biology logo Search Practical Biology go Society of Biology CLEAPSS Topics > Cells to systems >
Free DNA Cell Enzyme
| Pharmacy Law | Patient Confidentiality | | Chaukeisia Roney | 10/24/2012 | Pharmacy Technology – Thursday Evening HIPPA Privacy Law and Patients’ Bill of Rights are supposed to protect an individual privacy when it comes to their medical information. These laws were created and put into place to establish patient confidentiality and not have patients’ information disclosed without prior consent. In 1998‚ Dawn Castellano‚ a pharmacy technician who worked for Arbor Drugs in Mount
Premium Privacy Bill Clinton Law
Much can be learned from studying an organisms DNA. The first step to doing this is extracting DNA from cells. In this experiment‚ you will isolate DNA from the cells of fruit. Materials (1) 10 mL Graduated Cylinder(2) 100 mL Beakers15 cm Cheesecloth1 Resealable Bag1 Rubber Band (Large. Contains latex pleasewear gloves when handling if you have a latex allergy).Standing Test TubeWooden Stir StickFresh‚ Soft Fruit (e.g.‚ Grapes‚ Strawberries‚ Banana‚ etc.) ScissorsDNA Extraction SolutionIce Cold EthanolYou
Premium Solubility DNA Water
Spectrophotometric Determination of Equilibrium Formal Report Matt DeLuca The Department of Chemistry‚ SUNY College at Brockport Brockport‚ NY 14420 CHM 206.04 Abstract: The main objective of this experiment was incorporating the use of spectrophotometry in an attempt to study the position of equilibrium. Furthermore‚ after the completion of this experiment‚ the formation of the equilibrium constant of the iron thiocyanate complex
Premium Mathematics Concentration Solution
TITANIUM EXTRACTION ASSIGNMENT 1 1.TiO2+Cl2-----------------TiCl4+O2 2.Why is an atmosphere of argon used for this reaction ? The titanium (iv) chloride is added to a reactor in which very pure sodium has been heated to about 5500c -everything being under an innert argon atmosphere.During this reaction the temperature increases to about 10000 c . The reaction is carried out in an argon atmosphere to prevent magnessium and sodium from reacting with oxygen in the air. 3.Another gas used instead of
Premium Carbon dioxide Carbon Helium
with‚ one life-changing concept was perplexing us all‚ and that was COLLEGE. Our classmates and I kept calling over each other‚ asking “What course are you taking?”‚ “Which campus?”‚ “Is this course in-demand right now? How about in four or six years from now?” ‚ “Can we go there together?”‚ “You’re gonna stay in an apartment then?” and the like. Some chose their course by sudden instinct‚ some chose what they liked but it didn’t really bother them at all‚ some took into account their parents’ advices
Free Time Future